42 lines
1.4 KiB
Bash
42 lines
1.4 KiB
Bash
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#!/bin/bash
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ELF_FILE=".pio/build/default/firmware.elf"
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list_top_symbols() {
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local section_pattern="$1"
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local section_name="$2"
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local num_symbols=$3
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# objdump -t format: address flags section size name
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# Filter by section, extract size and name, calculate total
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local data=$(objdump -t "$ELF_FILE" | \
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awk -v pattern="$section_pattern" '$4 ~ pattern { print $5, $6 }' | \
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while read hex name; do
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dec=$((16#$hex))
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echo "$dec $hex $name"
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done | \
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sort -k1 -r -n)
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local total=$(echo "$data" | awk '{ sum += $1 } END { print sum }')
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local total_kb=$(echo "$total" | awk '{ printf "%.2f", $1 / 1024 }')
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echo "============================================"
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echo "Top $num_symbols largest symbols in section: $section_name"
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echo "Total section size: $total bytes ($total_kb KB)"
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echo "============================================"
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echo "$data" | \
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head -$num_symbols | \
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awk '{
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size_kb = $1 / 1024
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printf " %10s (%7.2f KB) %s\n", $2, size_kb, $3
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}'
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echo ""
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}
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list_top_symbols "\\.dram0\\.bss" ".dram0.bss" 10
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list_top_symbols "\\.dram0\\.data" ".dram0.data" 10
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list_top_symbols "\\.flash\\.rodata" ".flash.rodata" 200
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list_top_symbols "\\.flash\\.text" ".flash.text" 40
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list_top_symbols "\\.iram0\\.text" ".iram0.text" 10
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